NASA chief Jim Bridenstine elaborated this week on the reasons why the US space agency launched a safety review of SpaceX and Boeing, which are building spaceships for astronauts, including their workplace culture and drug-free policies.
NASA chief Jim Bridenstine elaborated this week on the reasons why the US space agency launched a safety review of SpaceX and Boeing, which are building spaceships for astronauts, including their workplace culture and drug-free policies.